Complement Fixation Test
It is one of the immunological medical tests that can be used to detect the presence of either specific antibody or specific antigen in a...
Pseudomonas aeruginosa: Morphology, Biochemical reaction, Pathogenesis
Pseudomonads are a large group of aerobic, Gram-negative, non-fermentative bacilli. This contains over 200 species that were originally contained within the genus Pseudomonas. Some of...
Sulfur Cycle
Sulfur is an essential nutrient for plant as well as animal. It is one of the constituent of many proteins and co-factors. The major reserve...
Risk groups associated with safety measures in medical laboratory
Experience has confirmed that some organisms are more hazardous to handle. They are more likely to infect laboratory workers than others. World Health Organization (WHO)...
Differences between food borne infection and food borne intoxication
S.N Food borne infection Food borne intoxication 1. It is caused due to the ingestion of pathogen in contaminated food. It is caused due to...
Entamoeba histolytica: Morphology and Life Cycle
Entamoeba histolytica is a common parasite in the large intestine of humans, certain other primates and some other animals. This parasite is responsible to cause...
The Nitrogen cycle
The cyclic movement of nitrogen between atmosphere and living organisms or the exchange of nitrogen between atmosphere and living organisms is known as nitrogen cycle....
Pasteurization in food preservation
It is heat treatment that kills part but not all of the microorganisms present. It usually involves the application of temperatures below 1000C. The heating...
Methods and principles of food preservation
Most kinds of food are readily decomposed by microorganisms unless special methods are used for their preservation. The chief methods of food preservation are as...
Tuberculin Skin test (Mantoux test)
The prevalence of tuberculous infection may be estimated by the use of the tuberculin test in contradistinction to the clinical disease. The positive test indicates...